<?php

/* 
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
header("Content-type:text/html;charset=utf-8");

$css = 80;
$sj = 86;
$javascrip = 82;
$Ave = ($css + $javascrip + $sj)/3 ;
echo "css="." ".$css."<br/>".
     "sj="." ".$sj."<br/>". 
     "javascrip="." ".$javascrip."<br/>".
     "Ave="." ".$Ave ; 